32 mic array microphone Adopts multi-mic array, picking up sounds in the radius up to 10 meters The built-in digital circuit is embedded with DSP processing unit and AGC technology to realize clear sound with high fidelity With multi-mic array design and self-adaptive beamforming technology, the microphone reduces reverberation effectively Supports accessing echo reference signal via line in interface, and with AEC algorithm, the microphone suppresses echo and squeal effectively Supports smart noise reduction, avoiding environmental noise The indicator is convenient for troubleshooting Supports network settings and transmitting the audio stream to network camera and DVR/NVR Supports 32 kHz audio sampling rate for HD sound Power over ethernet, convenient for installation Available models: DS-UAC-M1P Product Data Microphone Amount32 DirectionOmnidirectional Pickup DistanceIn the radius up to 10 m Sensitivity-36 dB±1 dBFS SNR90 dB Frequency Response20 Hz~16 kHz Dynamic Range105 dB Max. Sound Pressure Level120 dBSPL Output Amplitude2.5 Vpp MAX Audio Transmission Distance≿000 m Output Impedance600 Ω, balanced output Distortion Degree≿% Functions Echo SuppressionYes Noise Reduction Adjustmentdigital noise reduction Volume Adjustment≿00 level volume adjustment Device ManagementPower-off detection, program exception detection Anti-reverberationYes Audio Audio Sampling Rate16 kHz, 32 kHz Interface IndicatorSolid white: normally working Solid red: abnormal No light: no power supply Device InterfaceLine out, Line in, DC power input, RJ45 network cable General Power9 VDC~30 VDC, PoE, 2.4 W Max MaterialPlastic Dimension?250 mm × 34.5 mm (?9.84" × 1.36") Approx. 740 g (1.63 lb.) Operating Condition-10 ℃~50 ℿ(14°F~122°F, Indoor) Accessory Packing ListMicrophone × 1 Extension Cable × 1 Quick Start Guide × 1 Installation Plate × 1 Approval Protectionlightning protection, power polarity reversal protection, and electrostatic discharge protection , Amount32 DirectionOmnidirectional Pickup DistanceIn the radius up to 10 m Sensitivity-36 dB±1 dBFS SNR90 dB Frequency Response20 Hz~16 kHz Dynamic Range105 dB Max. Sound Pressure Level120 dBSPL Output Amplitude2.5 Vpp MAX Audio Transmission Distance≿000 m Output Impedance600 Ω, balanced output Distortion Degree≿% , Echo SuppressionYes Noise Reduction Adjustmentdigital noise reduction Volume Adjustment≿00 level volume adjustment Device ManagementPower-off detection, program exception detection Anti-reverberationYes , Audio Sampling Rate16 kHz, 32 kHz , IndicatorSolid white: normally working Solid red: abnormal No light: no power supply Device InterfaceLine out, Line in, DC power input, RJ45 network cable , Power9 VDC~30 VDC, PoE, 2.4 W Max MaterialPlastic Dimension?250 mm × 34.5 mm (?9.84" × 1.36") Approx. 740 g (1.63 lb.) Operating Condition-10 ℃~50 ℿ(14°F~122°F, Indoor) , Packing ListMicrophone × 1 Extension Cable × 1 Quick Start Guide × 1 Installation Plate × 1 , Protectionlightning protection, power polarity reversal protection, and electrostatic discharge protection